The Piedra del Águila Dam (in Spanish, Embalse Piedra del Águila) is the second of five dams on the Limay River in northwestern Argentine Patagonia (the Comahue region) and 590 m above mean sea level, downstream from the confluence of the Limay and the Collón Curá River. It was inaugurated in 1993. The dam is used for the generation of hydroelectricity and the regulation of the flow of the river. Its reservoir has an area of 292 km2, a mean depth of 41.3 m (maximum 120 m), and a volume of 12600 e6m3.